Klinger H, Williams B T, Park J H. "Method for the Synthesis of Methyl 2-(7-(2-hydroxyethyl)-1H-indol-3-yl)-2-oxoacetate" [P]. US Patent, US 10950292 B2, 2020-10-13.
发明人郑宇鹏,何建平,赵玉洁. "A Process for Preparing High-Purity Methyl 2-(7-(2-hydroxyethyl)-1H-indol-3-yl)-2-oxoacetate" [P]. 中国发明专利, 专利号 CN 109301149 A, 授权公告日 2023-04-02.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2021, 1275, (1), 4865-4889.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2012, 2283, (12), 770-800.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2-(7-(2-hydroxyethyl)-1H-indol-3-yl)-2-oxoacetate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2014, 97, 505-513.